Epsilon is the global leader in creating connections between people and brands. An all-encompassing global marketing company, we harness the power of rich data, groundbreaking technologies, engaging creative and transformative ideas to get the results our clients require. Epsilon is recognized by Ad Age as the number one World CRM/Direct Marketing Network, number one U.S. Digital-Agency Network and number one U.S. Agency from All Disciplines.

Epsilon clients include P&G , Cisco, GM, Dell, Duke University, eBay, and TXU Energy. We have:

  • Over 7,000 associates in 70 offices worldwide 
  • More than 1,000 websites launched 
  • A Microsoft Certified Partner 
  • A Sitecore Silver Solution Partner 
  • 17 Sitecore Certified Developers on staff
  • Sitecore Award: Site Of The Year for American Express GCP and California Lottery
  • Massive Scale: the most hightly trafficed sitecore website
Epsilon has developed a number of complex, highly integrated Sitecore solutions. Epsilon has:
  • Integrated Sitecore seamlessly with Zimbra (formerly Telligent) Community and Jive SBS 
  • Integrated Sitecore with Salesforce.com, SAP, and Siebel CRM solutions 
  • Integrated Sitecore with search solutions from Coveo, Google, and other search providers 
  • Integrated Sitecore with video CMS Ooyala 
  • Integrated Sitecore with third-party Knowledge Base and document management systems 
  • Integrated Sitecore Enterprise Ecommerce Edition with ERP systems 
  • Developed custom Sitecore applications to support specific user needs and goals  
  • Developed multi-site and multilingual solutions in support of complex branding and messaging needs 
  • Developed sophisticated user authentication systems, ensuring the right Sitecore content is presented to the right user at the right time 
  • Developed Sitecore solutions for all budgets 

See a few of our Sitecore projects here:

SolutionSet is now a part of Epsilon.


Epsilon Australia (ALLIANCE DATA FHC, INC. t/as Epsilon International)



Epsilon Data Management, LLC



Epsilon Singapore






Epsilon-Hong Kong